allow user tweaking of everything that might have inherent latency; add GUI for track level adjustment and widget that can be (but is not yet) embedded in a plugin GUI

git-svn-id: svn://localhost/ardour2/trunk@2075 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 61 insertions, 0 deletions

diff --git a/gtk2_ardour/latency_gui.h b/gtk2_ardour/latency_gui.h
new file mode 100644
index 0000000000..49f22fa266
--- /dev/null
+++ b/gtk2_ardour/latency_gui.h
@@ -0,0 +1,61 @@
+#include <vector>
+#include <string>
+
+#include <gtkmm/dialog.h>
+#include <gtkmm/box.h>
+#include <gtkmm/button.h>
+#include <gtkmm/adjustment.h>
+
+#include <gtkmm2ext/barcontroller.h>
+#include <pbd/controllable.h>
+
+#include <ardour/types.h>
+
+#include "ardour_dialog.h"
+
+namespace ARDOUR {
+	class Latent;
+}
+
+class LatencyGUI : public Gtk::VBox
+{
+  public:
+	LatencyGUI (ARDOUR::Latent&, nframes64_t sample_rate, nframes64_t period_size);
+	~LatencyGUI() { }
+
+	void finish ();
+	void reset ();
+	void refresh ();
+
+  private:
+	ARDOUR::Latent& _latent;
+	nframes64_t initial_value;
+	nframes64_t sample_rate;
+	nframes64_t period_size;
+	PBD::IgnorableControllable ignored;
+
+	Gtk::Adjustment adjustment;
+	Gtkmm2ext::BarController bc;
+	Gtk::HBox hbox1;
+	Gtk::HBox hbox2;
+	Gtk::HButtonBox hbbox;
+	Gtk::Button minus_button;
+	Gtk::Button plus_button;
+	Gtk::Button reset_button;
+	Gtk::ComboBoxText units_combo;
+
+	void change_latency_from_button (int dir);
+	void latency_printer (char* buf, unsigned int bufsize);
+
+	static std::vector<std::string> unit_strings;
+};
+
+class LatencyDialog : public ArdourDialog
+{
+  public:
+	LatencyDialog (const Glib::ustring& title, ARDOUR::Latent&, nframes64_t sample_rate, nframes64_t period_size);
+	~LatencyDialog() {}
+
+  private:
+	LatencyGUI lwidget;
+};